diff --git a/src/server/scripts/Outland/GruulsLair/boss_gruul.cpp b/src/server/scripts/Outland/GruulsLair/boss_gruul.cpp
index 47caa5ca6..d6ef410ce 100644
--- a/src/server/scripts/Outland/GruulsLair/boss_gruul.cpp
+++ b/src/server/scripts/Outland/GruulsLair/boss_gruul.cpp
@@ -271,7 +271,11 @@ class spell_gruul_shatter : public SpellScript
         if (Unit* target = GetHitUnit())
         {
             target->RemoveAurasDueToSpell(SPELL_STONED);
-            target->CastSpell((Unit*)nullptr, SPELL_SHATTER_EFFECT, true);
+
+            if (target->IsPlayer())
+            {
+                target->CastSpell((Unit*)nullptr, SPELL_SHATTER_EFFECT, true);
+            }
         }
     }